DAD 4090 40×90 Meterial A6N01S-T5 Surface Processing Anodized Weight 1.81㎏/m Section Area 668.0㎟ Second Section Monent lx = 10.1×10㎝4 ly = 78.4×10㎝4 Specification 4,000㎜ / 6,000㎜ Color Silver, Black Application machine Structure frame, work table, machine cover (기계구조물, 작업대, 기 계커버)